1
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Guelfi G, Pasquariello R, Anipchenko P, Capaccia C, Pennarossa G, Brevini TAL, Gandolfi F, Zerani M, Maranesi M. The Role of Genistein in Mammalian Reproduction. Molecules 2023; 28:7436. [PMID: 37959856 PMCID: PMC10647478 DOI: 10.3390/molecules28217436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/03/2023] [Accepted: 11/03/2023] [Indexed: 11/15/2023] Open
Abstract
Genistein is a natural compound belonging to flavonoids, having antioxidant, anti-inflammatory, and anti-neoplastic properties. Genistein is considered a phytoestrogen. As such, genistein can bind estrogen receptors (ERα and ERβ), although with a lower affinity than that of estradiol. Despite considerable work, the effects of genistein are not well established yet. This review aims to clarify the role of genistein on female and male reproductive functions in mammals. In females, at a high dose, genistein diminishes the ovarian activity regulating several pathway molecules, such as topoisomerase isoform I and II, protein tyrosine kinases (v-src, Mek-4, ABL, PKC, Syk, EGFR, FGFR), ABC, CFTR, Glut1, Glut4, 5α-reductase, PPAR-γ, mitogen-activated protein kinase A, protein histidine kinase, and recently circulating RNA-miRNA. The effect of genistein on pregnancy is still controversial. In males, genistein exerts an estrogenic effect by inducing testosterone biosynthesis. The interaction of genistein with both natural and synthetic endocrine disruptors has a negative effect on testis function. The positive effect of genistein on sperm quality is still in debate. In conclusion, genistein has a potentially beneficial effect on the mechanisms regulating the reproduction of females and males. However, this is dependent on the dose, the species, the route, and the time of administration.
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Affiliation(s)
- Gabriella Guelfi
- Department of Veterinary Medicine, University of Perugia, 06126 Perugia, Italy; (G.G.); (C.C.); (M.Z.); (M.M.)
| | - Rolando Pasquariello
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milano, Italy; (R.P.); (F.G.)
| | - Polina Anipchenko
- Department of Veterinary Medicine, University of Perugia, 06126 Perugia, Italy; (G.G.); (C.C.); (M.Z.); (M.M.)
| | - Camilla Capaccia
- Department of Veterinary Medicine, University of Perugia, 06126 Perugia, Italy; (G.G.); (C.C.); (M.Z.); (M.M.)
| | - Georgia Pennarossa
- Department of Veterinary Medicine and Animal Science, University of Milan, 26900 Lodi, Italy;
| | - Tiziana A. L. Brevini
- Department of Veterinary Medicine and Animal Science, University of Milan, 26900 Lodi, Italy;
| | - Fulvio Gandolfi
- Department of Agricultural and Environmental Sciences, University of Milan, 20133 Milano, Italy; (R.P.); (F.G.)
| | - Massimo Zerani
- Department of Veterinary Medicine, University of Perugia, 06126 Perugia, Italy; (G.G.); (C.C.); (M.Z.); (M.M.)
| | - Margherita Maranesi
- Department of Veterinary Medicine, University of Perugia, 06126 Perugia, Italy; (G.G.); (C.C.); (M.Z.); (M.M.)
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2
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Fucic A, Mantovani A, Vena J, Bloom MS, Sincic N, Vazquez M, Aguado-Sierra J. Impact of endocrine disruptors from mother's diet on immuno-hormonal orchestration of brain development and introduction of the virtual human twin tool. Reprod Toxicol 2023; 117:108357. [PMID: 36863570 DOI: 10.1016/j.reprotox.2023.108357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/19/2023] [Accepted: 02/22/2023] [Indexed: 03/04/2023]
Abstract
Diet has long been known to modify physiology during development and adulthood. However, due to a growing number of manufactured contaminants and additives over the last few decades, diet has increasingly become a source of exposure to chemicals that has been associated with adverse health risks. Sources of food contaminants include the environment, crops treated with agrochemicals, inappropriate storage (e.g., mycotoxins) and migration of xenobiotics from food packaging and food production equipment. Hence, consumers are exposed to a mixture of xenobiotics, some of which are endocrine disruptors (EDs). The complex interactions between immune function and brain development and their orchestration by steroid hormones are insufficiently understood in human populations, and little is known about the impact on immune-brain interactions by transplacental fetal exposure to EDs via maternal diet. To help to identify the key data gaps, this paper aims to present (a) how transplacental EDs modify immune system and brain development, and (b) how these mechanisms may correlate with diseases such as autism and disturbances of lateral brain development. Attention is given to disturbances of the subplate, a transient structure of crucial significance in brain development. Additionally, we describe cutting edge approaches to investigate the developmental neurotoxicity of EDs, such as the application of artificial intelligence and comprehensive modelling. In the future, highly complex investigations will be performed using virtual brain models constructed using sophisticated multi-physics/multi-scale modelling strategies based on patient and synthetic data, which will enable a greater understanding of healthy or disturbed brain development.
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Affiliation(s)
- A Fucic
- Institute for Medical Research and Occupational Health, Ksaverska C 2, Zagreb, Croatia.
| | - A Mantovani
- Istituto Superiore di Sanità, Department of Food Safety, Nutrition and Veterinary Public Health, Rome, Italy
| | - J Vena
- Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - M S Bloom
- Global and Community Health, George Mason University, 4400 University Dr., Fairfax, VA, USA
| | - N Sincic
- Medical School, University of Zagreb, Salata 3, Croatia
| | - M Vazquez
- Barcelona Supercomputing Center, Plaça Eusebi Güell, 1-3, Barcelona 08034, Spain
| | - J Aguado-Sierra
- Barcelona Supercomputing Center, Plaça Eusebi Güell, 1-3, Barcelona 08034, Spain
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3
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Bucknor MC, Gururajan A, Dale RC, Hofer MJ. A comprehensive approach to modeling maternal immune activation in rodents. Front Neurosci 2022; 16:1071976. [PMID: 36590294 PMCID: PMC9800799 DOI: 10.3389/fnins.2022.1071976] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Prenatal brain development is a highly orchestrated process, making it a very vulnerable window to perturbations. Maternal stress and subsequent inflammation during pregnancy leads to a state referred to as, maternal immune activation (MIA). If persistent, MIA can pose as a significant risk factor for the manifestation of neurodevelopmental disorders (NDDs) such as autism spectrum disorder and schizophrenia. To further elucidate this association between MIA and NDD risk, rodent models have been used extensively across laboratories for many years. However, there are few uniform approaches for rodent MIA models which make not only comparisons between studies difficult, but some established approaches come with limitations that can affect experimental outcomes. Here, we provide researchers with a comprehensive review of common experimental variables and potential limitations that should be considered when designing an MIA study based in a rodent model. Experimental variables discussed include: innate immune stimulation using poly I:C and LPS, environmental gestational stress paradigms, rodent diet composition and sterilization, rodent strain, neonatal handling, and the inclusion of sex-specific MIA offspring analyses. We discuss how some aspects of these variables have potential to make a profound impact on MIA data interpretation and reproducibility.
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Affiliation(s)
- Morgan C. Bucknor
- School of Life and Environmental Sciences, Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
| | - Anand Gururajan
- The Brain and Mind Centre, The University of Sydney, Sydney, NSW, Australia
| | - Russell C. Dale
- The Children’s Hospital at Westmead, Kids Neuroscience Centre, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia,The Children’s Hospital at Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Markus J. Hofer
- School of Life and Environmental Sciences, Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia,*Correspondence: Markus J. Hofer,
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4
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Role of microRNA in Endocrine Disruptor-Induced Immunomodulation of Metabolic Health. Metabolites 2022; 12:metabo12111034. [DOI: 10.3390/metabo12111034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 11/16/2022] Open
Abstract
The prevalence of poor metabolic health is growing exponentially worldwide. This condition is associated with complex comorbidities that lead to a compromised quality of life. One of the contributing factors recently gaining attention is exposure to environmental chemicals, such as endocrine-disrupting chemicals (EDCs). Considerable evidence suggests that EDCs can alter the endocrine system through immunomodulation. More concerning, EDC exposure during the fetal development stage has prominent adverse effects later in life, which may pass on to subsequent generations. Although the mechanism of action for this phenomenon is mostly unexplored, recent reports implicate that non-coding RNAs, such as microRNAs (miRs), may play a vital role in this scenario. MiRs are significant contributors in post-transcriptional regulation of gene expression. Studies demonstrating the immunomodulation of EDCs via miRs in metabolic health or towards the Developmental Origins of Health and Disease (DOHaD) Hypothesis are still deficient. The aim of the current review was to focus on studies that demonstrate the impact of EDCs primarily on innate immunity and the potential role of miRs in metabolic health.
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5
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Nazari-Khanamiri F, Ghasemnejad-Berenji M. Cellular and molecular mechanisms of genistein in prevention and treatment of diseases: An overview. J Food Biochem 2021; 45:e13972. [PMID: 34664285 DOI: 10.1111/jfbc.13972] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/22/2021] [Accepted: 10/01/2021] [Indexed: 01/01/2023]
Abstract
Genistein is the simplest secondary metabolite in soybeans and belongs to a group of compounds called isoflavones. It is a phytoestrogen and it makes up more than 60% of soy isoflavones. Studies have shown the anti-inflammatory, anti-apoptotic, and anti-angiogenic effects of genistein in addition to its modulatory effects on steroidal hormone receptors. In this review, we discuss the pharmacologic and therapeutic effects of genistein on various diseases. PRACTICAL APPLICATIONS: In this review, we have discussed the therapeutic effects of genistein as the main constituent of soybeans on health conditions. Its antioxidant, anti-inflammatory, anti-apoptotic and, anti-angiogenic effects need more attention. The pharmacological properties of genistein make this natural isoflavone a potential treatment for various diseases such as postmenopausal symptoms, cancer, bone, brain, and heart diseases. Special emphasis should be given to it, resulting in using it in clinical as a safe, potent, and bioactive molecule.
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Affiliation(s)
| | - Morteza Ghasemnejad-Berenji
- Experimental and Applied Pharmaceutical Research Center, Urmia University of Medical Sciences, Urmia, Iran
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran
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6
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Early Postnatal Genistein Administration Affects Mice Metabolism and Reproduction in a Sexually Dimorphic Way. Metabolites 2021; 11:metabo11070449. [PMID: 34357343 PMCID: PMC8303179 DOI: 10.3390/metabo11070449] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/04/2021] [Accepted: 07/07/2021] [Indexed: 12/30/2022] Open
Abstract
The phytoestrogen genistein (GEN) may interfere with permanent morphological changes in the brain circuits sensitive to estrogen. Due to the frequent use of soy milk in the neonatal diet, we aimed to study the effects of early GEN exposure on some physiological and reproductive parameters. Mice of both sexes from PND1 to PND8 were treated with GEN (50 mg/kg body weight, comparable to the exposure level in babies fed with soy-based formulas). When adult, we observed, in GEN-treated females, an advanced pubertal onset and an altered estrous cycle, and, in males, a decrease of testicle weight and fecal testosterone concentration. Furthermore, we observed an increase in body weight and altered plasma concentrations of metabolic hormones (leptin, ghrelin, triiodothyronine) limited to adult females. Exposure to GEN significantly altered kisspeptin and POMC immunoreactivity only in females and orexin immunoreactivity in both sexes. In conclusion, early postnatal exposure of mice to GEN determines long-term sex-specific organizational effects. It impairs the reproductive system and has an obesogenic effect only in females, which is probably due to the alterations of neuroendocrine circuits controlling metabolism; thus GEN, should be classified as a metabolism disrupting chemical.
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7
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Miyake Y, Tanaka K, Okubo H, Sasaki S, Tokinobu A, Arakawa M. Maternal consumption of soy and isoflavones during pregnancy and risk of childhood behavioural problems: the Kyushu Okinawa Maternal and Child Health Study. Int J Food Sci Nutr 2021; 72:1118-1127. [PMID: 33792472 DOI: 10.1080/09637486.2021.1904844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
It is uncertain whether the effects of prenatal exposure to isoflavones on childhood behaviour are beneficial or detrimental. This prebirth cohort study investigated the associations between maternal consumption of soy products and isoflavones during pregnancy and behavioural problems in Japanese children aged 5 years. Subjects were 1199 mother-child pairs. Emotional problems, conduct problems, hyperactivity problems, peer problems and low prosocial behaviour were assessed using the Strengths and Difficulties Questionnaire. Maternal total soy product consumption during pregnancy was independently inversely associated with childhood hyperactivity and peer problems. Maternal fermented soybean consumption during pregnancy was independently inversely associated with childhood hyperactivity problems. Maternal isoflavone consumption during pregnancy was independently inversely related to childhood hyperactivity problems. Maternal consumption of total soy products, fermented soybean and isoflavones during pregnancy may be protective against hyperactivity problems in Japanese children. Also, maternal total soy product consumption during pregnancy may be preventive against childhood peer problems.
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Affiliation(s)
- Yoshihiro Miyake
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan.,Research Promotion Unit, Translational Research Center, Ehime University Hospital, Ehime, Japan.,Center for Data Science, Ehime University, Ehime, Japan
| | - Keiko Tanaka
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan.,Research Promotion Unit, Translational Research Center, Ehime University Hospital, Ehime, Japan.,Center for Data Science, Ehime University, Ehime, Japan
| | - Hitomi Okubo
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan.,Department of Health Promotion, National Institute of Public Health, Saitama, Japan
| | - Satoshi Sasaki
- Department of Social and Preventive Epidemiology, School of Public Health, The University of Tokyo, Tokyo, Japan
| | - Akiko Tokinobu
- Department of Epidemiology and Preventive Medicine, Ehime University Graduate School of Medicine, Ehime, Japan.,Center for Data Science, Ehime University, Ehime, Japan
| | - Masashi Arakawa
- Faculty of Global and Regional Studies, Wellness Research Fields, University of the Ryukyus, Okinawa, Japan.,The Department of Cross Cultural Studies, Osaka University of Tourism, Okinawa, Japan
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8
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Petrine JCP, Del Bianco-Borges B. The influence of phytoestrogens on different physiological and pathological processes: An overview. Phytother Res 2020; 35:180-197. [PMID: 32780464 DOI: 10.1002/ptr.6816] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 06/01/2020] [Accepted: 07/02/2020] [Indexed: 02/06/2023]
Abstract
Functional foods have nutritional properties and organic functions, which are beneficial to health. Certain types of functional food components are so-called phytoestrogens, non-steroidal compounds derived from the metabolism of precursors contained in plants, which originate secondary metabotypes known to induce biological responses and by mimicry or modulating the action of endogenous estrogen. These molecules are involved in several physiological and pathological processes related to reproduction, bone remodeling, skin, cardiovascular, nervous, immune systems, and metabolism. This review aimed to present an overview of phytoestrogens regarding their chemical structure, actions, and effects in the organism given several pathologies. Several studies have demonstrated beneficial phytoestrogen actions, such as lipid profile improvement, cognitive function, menopause, oxidative stress, among others. Phytoestrogens effects are not completely elucidated, being necessary future research to understand the exact action mechanisms, whether they are via estrogen receptor or whether other hidden mechanisms produce these effects. Thus, this review makes a general approach to the phytoestrogen actions, beneficial effects, risk and limitations. However, the complexities of biological effects after ingestion of phytoestrogens and the differences in their metabolism and bioavailability indicate that interpretation of either risk or benefits needs to be made with caution.
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Affiliation(s)
- Jéssica C P Petrine
- Departamento de Ciências da Saúde, Universidade Federal de Lavras, Lavras, Brasil
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9
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Kaur S, Sarma SJ, Marshall BL, Liu Y, Kinkade JA, Bellamy MM, Mao J, Helferich WG, Schenk AK, Bivens NJ, Lei Z, Sumner LW, Bowden JA, Koelmel JP, Joshi T, Rosenfeld CS. Developmental exposure of California mice to endocrine disrupting chemicals and potential effects on the microbiome-gut-brain axis at adulthood. Sci Rep 2020; 10:10902. [PMID: 32616744 PMCID: PMC7331640 DOI: 10.1038/s41598-020-67709-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 05/21/2020] [Indexed: 12/26/2022] Open
Abstract
Xenoestrogens are chemicals found in plant products, such as genistein (GEN), and in industrial chemicals, e.g., bisphenol A (BPA), present in plastics and other products that are prevalent in the environment. Early exposure to such endocrine disrupting chemicals (EDC) may affect brain development by directly disrupting neural programming and/or through the microbiome-gut-brain axis. To test this hypothesis, California mice (Peromyscus californicus) offspring were exposed through the maternal diet to GEN (250 mg/kg feed weight) or BPA (5 mg/kg feed weight, low dose- LD or 50 mg/kg, upper dose-UD), and dams were placed on these diets two weeks prior to breeding, throughout gestation, and lactation. Various behaviors, gut microbiota, and fecal metabolome were assessed at 90 days of age. The LD but not UD of BPA exposure resulted in individuals spending more time engaging in repetitive behaviors. GEN exposed individuals were more likely to exhibit such behaviors and showed socio-communicative disturbances. BPA and GEN exposed females had increased number of metabolites involved in carbohydrate metabolism and synthesis. Males exposed to BPA or GEN showed alterations in lysine degradation and phenylalanine and tyrosine metabolism. Current findings indicate cause for concern that developmental exposure to BPA or GEN might affect the microbiome-gut-brain axis.
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Affiliation(s)
- Sarabjit Kaur
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,Biomedical Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Saurav J Sarma
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,MU Metabolomics Center, University of Missouri, Columbia, MO, 65211, USA
| | - Brittney L Marshall
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,Biomedical Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Yang Liu
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,MU Institute of Data Science and Informatics, University of Missouri, Columbia, MO, 65211, USA
| | - Jessica A Kinkade
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,Biomedical Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Madison M Bellamy
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,Biomedical Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Jiude Mao
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,Biomedical Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - William G Helferich
- Food Science and Human Nutrition, University of Illinois, Urbana, IL, 61801, USA
| | | | - Nathan J Bivens
- DNA Core Facility, University of Missouri, Columbia, MO, 65211, USA
| | - Zhentian Lei
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,MU Metabolomics Center, University of Missouri, Columbia, MO, 65211, USA.,Department of Biochemistry, University of Missouri, Columbia, MO, 65211, USA
| | - Lloyd W Sumner
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,MU Metabolomics Center, University of Missouri, Columbia, MO, 65211, USA.,Department of Biochemistry, University of Missouri, Columbia, MO, 65211, USA
| | - John A Bowden
- Department of Physiological Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, 32610, USA.,Center for Environmental and Human Toxicology, College of Veterinary Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Jeremy P Koelmel
- Environmental Health Sciences, Yale University, New Haven, CT, 06510, USA
| | - Trupti Joshi
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.,MU Institute of Data Science and Informatics, University of Missouri, Columbia, MO, 65211, USA.,Department of Health Management and Informatics, School of Medicine, University of Missouri, Columbia, MO, 65211, USA
| | - Cheryl S Rosenfeld
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA. .,Biomedical Sciences, University of Missouri, Columbia, MO, 65211, USA. .,MU Institute of Data Science and Informatics, University of Missouri, Columbia, MO, 65211, USA. .,Thompson Center for Autism and Neurobehavioral Disorders, University of Missouri, Columbia, MO, 65211, USA. .,Genetics Area Program, University of Missouri, Columbia, MO, 65211, USA.
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10
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Butler MC, Long CN, Kinkade JA, Green MT, Martin RE, Marshall BL, Willemse TE, Schenk AK, Mao J, Rosenfeld CS. Endocrine disruption of gene expression and microRNA profiles in hippocampus and hypothalamus of California mice: Association of gene expression changes with behavioural outcomes. J Neuroendocrinol 2020; 32:e12847. [PMID: 32297422 PMCID: PMC7207022 DOI: 10.1111/jne.12847] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 02/23/2020] [Accepted: 03/18/2020] [Indexed: 01/10/2023]
Abstract
The hypothalamus and hippocampus are sensitive to early exposure to endocrine disrupting chemicals (EDCs). Two EDCs that have raised particular concerns are bisphenol A (BPA), a widely prevalent chemical in many common household items, and genistein (GEN), a phyto-oestrogen present in soy and other plants. We hypothesised that early exposure to BPA or GEN may lead to permanent effects on gene expression profiles for both coding RNAs (mRNAs) and microRNAs (miRs), which can affect the translation of mRNAs. Such EDC-induced biomolecular changes may affect behavioural and metabolic patterns. California mice (Peromyscus californicus) male and female offspring were developmentally exposed via the maternal diet to BPA (5 mg kg-1 feed weight low dose [LD] and 50 mg kg-1 feed weight upper dose [UD]), GEN (250 mg kg-1 feed weight) or a phyto-oestrogen-free diet (AIN) control. Behavioural and metabolic tests were performed at 180 days of age. A quantitative polymerase chain reacttion analysis was performed for candidate mRNAs and miRs in the hypothalamus and hippocampus. LD BPA and GEN exposed California mice offspring showed socio-communication impairments. Hypothalamic Avp, Esr1, Kiss1 and Lepr were increased in LD BPA offspring. miR-153 was elevated but miR-181a was reduced in LD BPA offspring. miR-9 and miR-153 were increased in the hippocampi of LD BPA offspring, whereas GEN decreased hippocampal miR-7a and miR-153 expression. Correlation analyses revealed neural expression of miR-153 and miR-181a was associated with socio-communication deficits in LD BPA individuals. The findings reveal a cause for concern such that developmental exposure of BPA or GEN in California mice (and potentially by translation in humans) can lead to long standing neurobehavioural consequences.
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Affiliation(s)
- Mary C Butler
- Department of Chemistry, Truman State University, Kirksville, MO, USA
| | - Camryn N Long
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
| | - Jessica A Kinkade
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
| | - Madison T Green
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
| | - Rachel E Martin
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
| | - Brittney L Marshall
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
| | - Tess E Willemse
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
| | | | - Jiude Mao
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
| | - Cheryl S Rosenfeld
- Christopher S Bond Life Sciences Center, University of Missouri, Columbia, MO, USA
- Biomedical Sciences, University of Missouri, Columbia, MO, USA
- Informatics Institute, University of Missouri, Columbia, MO, USA
- Thompson Center for Autism and Neurobehavioral Disorders, University of Missouri, Columbia, MO, USA
- Genetics Area Program, University of Missouri, Columbia, MO, USA
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11
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Ponti G, Farinetti A, Marraudino M, Panzica G, Gotti S. Postnatal genistein administration selectively abolishes sexual dimorphism in specific hypothalamic dopaminergic system in mice. Brain Res 2019; 1724:146434. [PMID: 31491419 DOI: 10.1016/j.brainres.2019.146434] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/26/2019] [Accepted: 09/02/2019] [Indexed: 12/18/2022]
Abstract
As demonstrated in previous studies, early postnatal genistein (GEN) administration to mice pups of both sexes, at doses similar to that of infant soy-based formulas, may affect the development of some steroid-sensitive neuronal circuits (i.e. nitrergic and vasopressinergic systems), causing irreversible alterations in adults. Here, we investigated the hypothalamic and mesencephalic dopaminergic system (identified with tyrosine hydroxylase immunohistochemistry). GEN administration (50 mg/kg) to mice of both sexes during the first week of postnatal life specifically affected tyrosine hydroxylase immunohistochemistry in the hypothalamic subpopulation of neurons, abolishing their sexual dimorphism. On the contrary, we did not observe any effects in the mesencephalic groups. Due to the large involvement of dopamine in circuits controlling rodent sexual behavior and food intake, these results clearly indicate that the early postnatal administration of GEN may irreversibly alter the control of reproduction, of energetic metabolism, and other behaviors. These results suggest the need for a careful evaluation of the use of soy products in both human and animal newborns.
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Affiliation(s)
- Giovanna Ponti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano (TO), Italy; Department of Veterinary Sciences, University of Turin, Largo Braccini 2, 10095 Grugliasco (T0), Italy.
| | - Alice Farinetti
- Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126 Turin, Italy; Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano (TO), Italy
| | - Marilena Marraudino
- Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126 Turin, Italy; Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano (TO), Italy
| | - GianCarlo Panzica
- Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126 Turin, Italy; Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano (TO), Italy
| | - Stefano Gotti
- Department of Neuroscience "Rita Levi-Montalcini", University of Turin, Via Cherasco 15, 10126 Turin, Italy; Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10-10043 Orbassano (TO), Italy
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Thangavel P, Puga-Olguín A, Rodríguez-Landa JF, Zepeda RC. Genistein as Potential Therapeutic Candidate for Menopausal Symptoms and Other Related Diseases. Molecules 2019; 24:molecules24213892. [PMID: 31671813 PMCID: PMC6864469 DOI: 10.3390/molecules24213892] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 10/24/2019] [Accepted: 10/25/2019] [Indexed: 01/01/2023] Open
Abstract
Plant-derived compounds have recently attracted greater interest in the field of new therapeutic agent development. These compounds have been widely screened for their pharmacological effects. Polyphenols, such as soy-derived isoflavones, also called phytoestrogens, have been extensively studied due to their ability to inhibit carcinogenesis. These compounds are chemically similar to 17β-estradiol, and mimic the binding of estrogens to its receptors, exerting estrogenic effects in target organs. Genistein is an isoflavone derived from soy-rich products and accounts for about 60% of total isoflavones found in soybeans. Genistein has been reported to exhibit several biological effects, such as anti-tumor activity (inhibition of cell proliferation, regulation of the cell cycle, induction of apoptosis), improvement of glucose metabolism, impairment of angiogenesis in both hormone-related and hormone-unrelated cancer cells, reduction of peri-menopausal and postmenopausal hot flashes, and modulation of antioxidant effects. Additionally, epidemiological and clinical studies have reported health benefits of genistein in many chronic diseases, such as cardiovascular disease, diabetes, and osteoporosis, and aid in the amelioration of typical menopausal symptoms, such as anxiety and depression. Although the biological effects are promising, certain limitations, such as low bioavailability, biological estrogenic activity, and effects on target organs, have limited the clinical applications of genistein to some extent. Moreover, studies report that modification of its molecular structure may eliminate the biological estrogenic activity and its effects on target organs. In this review, we summarize the potential benefits of genistein on menopause symptoms and menopause-related diseases like cardiovascular, osteoporosis, obesity, diabetes, anxiety, depression, and breast cancer.
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Affiliation(s)
- Prakash Thangavel
- Programa de Posgrado en Neuroetología, Instituto de Neuroetología, Universidad Veracruzana, Av. Dr. Luis Castelazo Ayala s/n, Col. Industrial Ánimas, Xalapa C.P. 91190, Veracruz, Mexico.
| | - Abraham Puga-Olguín
- Laboratorio de Neurofarmacología, Instituto de Neuroetología, Universidad Veracruzana, Av. Dr. Luis Castelazo Ayala s/n, Col. Industrial Ánimas, Xalapa C.P. 91190, Veracruz, Mexico.
| | - Juan F Rodríguez-Landa
- Laboratorio de Neurofarmacología, Instituto de Neuroetología, Universidad Veracruzana, Av. Dr. Luis Castelazo Ayala s/n, Col. Industrial Ánimas, Xalapa C.P. 91190, Veracruz, Mexico.
| | - Rossana C Zepeda
- Centro de Investigaciones Biomédicas, Universidad Veracruzana, Av. Dr. Luis Castelazo Ayala s/n, Col. Industrial Ánimas, Xalapa C.P. 91190, Veracruz, Mexico.
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13
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Rosenfeld CS. Effects of Phytoestrogens on the Developing Brain, Gut Microbiota, and Risk for Neurobehavioral Disorders. Front Nutr 2019; 6:142. [PMID: 31555657 PMCID: PMC6727358 DOI: 10.3389/fnut.2019.00142] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Accepted: 08/14/2019] [Indexed: 01/11/2023] Open
Abstract
Many pregnant and nursing women consume high amounts of soy and other plant products that contain phytoestrogens, such as genistein (GEN) and daidzein. Infants may also be provided soy based formulas. With their ability to bind and activate estrogen receptors (ESR) in the brain, such compounds can disrupt normal brain programming and lead to later neurobehavioral disruptions. However, other studies suggest that maternal consumption of soy and soy based formulas containing such phytoestrogens might lead to beneficial behavioral effects. Select gut microbes might also convert daidzein and to a lesser extent genistein to even more potent forms, e.g., equol derivatives. Thus, infant exposure to phytoestrogens may result in contrasting effects dependent upon the gut flora. It is also becoming apparent that consumption or exposure to these xenoestrogens may lead to gut dysbiosis. Phytoestrogen-induced changes in gut bacteria might in turn affect the brain through various mechanisms. This review will consider the evidence to date in rodent and other animal models and human epidemiological data as to whether developmental exposure to phytoestrogens, in particular genistein and daidzein, adversely or beneficially impact offspring neurobehavioral programming. Consideration will be given to potential mechanisms by which such compounds might affect neurobehavioral responses. A better understanding of effects perinatal exposure to phytoestrogen can exert on brain programming will permit pregnant women and those seeking to become pregnant to make better-educated choices. If phytoestrogen-induced gut dysbiosis contributes to neurobehavioral disruptions, remediation strategies may be designed to prevent such gut microbiota alterations and thereby improve neurobehavioral outcomes.
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Affiliation(s)
- Cheryl S. Rosenfeld
- Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
- MU Informatics Institute, University of Missouri, Columbia, MO, United States
- Thompson Center for Autism and Neurobehavioral Disorders, University of Missouri, Columbia, MO, United States
- Biomedical Sciences, University of Missouri, Columbia, MO, United States
- Genetics Area Program, University of Missouri, Columbia, MO, United States
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14
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Marshall BL, Liu Y, Farrington MJ, Mao J, Helferich WG, Schenk AK, Bivens NJ, Sarma SJ, Lei Z, Sumner LW, Joshi T, Rosenfeld CS. Early genistein exposure of California mice and effects on the gut microbiota-brain axis. J Endocrinol 2019; 242:139-157. [PMID: 31189133 PMCID: PMC6885123 DOI: 10.1530/joe-19-0214] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 06/10/2019] [Indexed: 12/12/2022]
Abstract
Human offspring encounter high amounts of phytoestrogens, such as genistein (GEN), through maternal diet and soy-based formulas. Such chemicals can exert estrogenic activity and thereby disrupt neurobehavioral programming. Besides inducing direct host effects, GEN might cause gut dysbiosis and alter gut metabolites. To determine whether exposure to GEN affects these parameters, California mice (Peromyscus californicus) dams were placed 2 weeks prior to breeding and throughout gestation and lactation on a diet supplemented with GEN (250 mg/kg feed weight) or AIN93G phytoestrogen-free control diet (AIN). At weaning, offspring socio-communicative behaviors, gut microbiota and metabolite profiles were assayed. Exposure of offspring to GEN-induced sex-dependent changes in gut microbiota and metabolites. GEN exposed females were less likely to investigate a novel female mouse when tested in a three-chamber social test. When isolated, GEN males and females exhibited increased latency to elicit their first call, suggestive of reduced motivation to communicate with other individuals. Correlation analyses revealed interactions between GEN-induced microbiome, metabolome and socio-communicative behaviors. Comparison of GEN males with AIN males revealed the fraction of calls above 20 kHz was associated with daidzein, α-tocopherol, Flexispira spp. and Odoribacter spp. Results suggest early GEN exposure disrupts normal socio-communicative behaviors in California mice, which are otherwise evident in these social rodents. Such effects may be due to GEN disruptions on neural programming but might also be attributed to GEN-induced microbiota shifts and resultant changes in gut metabolites. Findings indicate cause for concern that perinatal exposure to GEN may detrimentally affect the offspring microbiome-gut-brain axis.
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Affiliation(s)
- Brittney L Marshall
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
| | - Yang Liu
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- Informatics Institute, University of Missouri, Columbia, Missouri, USA
| | - Michelle J Farrington
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
| | - Jiude Mao
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
| | - William G Helferich
- Food Science and Human Nutrition, University of Illinois, Urbana, Illinois, USA
| | | | - Nathan J Bivens
- DNA Core Facility, University of Missouri, Columbia, Missouri, USA
| | - Saurav J Sarma
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- MU Metabolomics Center, University of Missouri, Columbia, Missouri, USA
| | - Zhentian Lei
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- MU Metabolomics Center, University of Missouri, Columbia, Missouri, USA
- Department of Biochemistry, University of Missouri, Columbia, Missouri, USA
| | - Lloyd W Sumner
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- MU Metabolomics Center, University of Missouri, Columbia, Missouri, USA
- Department of Biochemistry, University of Missouri, Columbia, Missouri, USA
| | - Trupti Joshi
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- Informatics Institute, University of Missouri, Columbia, Missouri, USA
- Department of Health Management and Informatics, School of Medicine, University of Missouri, Columbia, Missouri, USA
| | - Cheryl S Rosenfeld
- Bond Life Sciences Center, University of Missouri, Columbia, Missouri, USA
- Biomedical Sciences, University of Missouri, Columbia, Missouri, USA
- Informatics Institute, University of Missouri, Columbia, Missouri, USA
- Thompson Center for Autism and Neurobehavioral Disorders, University of Missouri, Columbia, Missouri, USA
- Genetics Area Program, University of Missouri, Columbia, Missouri, USA
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15
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Hu C, Wong WT, Wu R, Lai WF. Biochemistry and use of soybean isoflavones in functional food development. Crit Rev Food Sci Nutr 2019; 60:2098-2112. [PMID: 31272191 DOI: 10.1080/10408398.2019.1630598] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Soybeans and their food products exist in the market in various forms, ranging from crude oils and bean meals to nutritious products (e.g. soy milk powers). With the availability of technologies for mass production of soy products and for enrichment of soy components (e.g. phospholipids, saponins, isoflavones, oligosaccharides and edible fiber), the nutritional values of soy products have been enhanced remarkably, offering the potential for functional food development. Among different bioactive components in soybeans, one important component is isoflavones, which have been widely exploited for health implications. While there are studies supporting the health benefits of isoflavones, concerns on adverse effects have been raised in the literature. The objective of this article is to review the recent understanding of the biological activities, adverse effects, and use of isoflavones in functional food development.
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Affiliation(s)
- Chengshen Hu
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
- Center for Human Tissue and Organs Degeneration, Institute of Biomedical and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Wing-Tak Wong
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Runyu Wu
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Wing-Fu Lai
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
- School of Life and Health Sciences, The Chinese University of Hong Kong (Shenzhen), Shenzhen, China
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16
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Sharon G, Cruz NJ, Kang DW, Gandal MJ, Wang B, Kim YM, Zink EM, Casey CP, Taylor BC, Lane CJ, Bramer LM, Isern NG, Hoyt DW, Noecker C, Sweredoski MJ, Moradian A, Borenstein E, Jansson JK, Knight R, Metz TO, Lois C, Geschwind DH, Krajmalnik-Brown R, Mazmanian SK. Human Gut Microbiota from Autism Spectrum Disorder Promote Behavioral Symptoms in Mice. Cell 2019; 177:1600-1618.e17. [PMID: 31150625 PMCID: PMC6993574 DOI: 10.1016/j.cell.2019.05.004] [Citation(s) in RCA: 596] [Impact Index Per Article: 119.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 02/11/2019] [Accepted: 04/30/2019] [Indexed: 01/02/2023]
Abstract
Autism spectrum disorder (ASD) manifests as alterations in complex human behaviors including social communication and stereotypies. In addition to genetic risks, the gut microbiome differs between typically developing (TD) and ASD individuals, though it remains unclear whether the microbiome contributes to symptoms. We transplanted gut microbiota from human donors with ASD or TD controls into germ-free mice and reveal that colonization with ASD microbiota is sufficient to induce hallmark autistic behaviors. The brains of mice colonized with ASD microbiota display alternative splicing of ASD-relevant genes. Microbiome and metabolome profiles of mice harboring human microbiota predict that specific bacterial taxa and their metabolites modulate ASD behaviors. Indeed, treatment of an ASD mouse model with candidate microbial metabolites improves behavioral abnormalities and modulates neuronal excitability in the brain. We propose that the gut microbiota regulates behaviors in mice via production of neuroactive metabolites, suggesting that gut-brain connections contribute to the pathophysiology of ASD.
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Affiliation(s)
- Gil Sharon
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
| | - Nikki Jamie Cruz
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Dae-Wook Kang
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287, USA; Biodesign Center for Fundamental and Applied Microbiomics, Arizona State University, Tempe, AZ 85287, USA
| | - Michael J Gandal
- Center for Autism Research and Treatment, Program in Neurobehavioral Genetics, Semel Institute, University of California Los Angeles, Los Angeles, CA 90095, USA; Department of Neurology, Semel Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Human Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Psychiatry, Semel Institute, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Bo Wang
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Young-Mo Kim
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Erika M Zink
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Cameron P Casey
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Bryn C Taylor
- Biomedical Sciences Graduate Program, University of California, San Diego, La Jolla, CA 92093, USA
| | - Christianne J Lane
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90089, USA
| | - Lisa M Bramer
- National Security Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Nancy G Isern
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - David W Hoyt
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Cecilia Noecker
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA
| | - Michael J Sweredoski
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Annie Moradian
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Elhanan Borenstein
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA; Department of Computer Science and Engineering, University of Washington, Seattle, WA 98195, USA; Blavatnik School of Computer Science, Tel Aviv University, Tel Aviv 6997801, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; Santa Fe Institute, Santa Fe, NM 87501, USA
| | - Janet K Jansson
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Rob Knight
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA 92093, USA; Department of Pediatrics, School of Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Computer Science and Engineering, University of California, San Diego, La Jolla, CA 92093, USA; Department of Biongineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Thomas O Metz
- Earth and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Carlos Lois
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Daniel H Geschwind
- Center for Autism Research and Treatment, Program in Neurobehavioral Genetics, Semel Institute, University of California Los Angeles, Los Angeles, CA 90095, USA; Department of Neurology, Semel Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Human Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Rosa Krajmalnik-Brown
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ 85287, USA; Biodesign Center for Fundamental and Applied Microbiomics, Arizona State University, Tempe, AZ 85287, USA; School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85287, USA
| | - Sarkis K Mazmanian
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
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17
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Sexually Dimorphic Effect of Genistein on Hypothalamic Neuronal Differentiation in Vitro. Int J Mol Sci 2019; 20:ijms20102465. [PMID: 31109056 PMCID: PMC6567056 DOI: 10.3390/ijms20102465] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 05/14/2019] [Accepted: 05/17/2019] [Indexed: 11/16/2022] Open
Abstract
Developmental actions of estradiol in the hypothalamus are well characterized. This hormone generates sex differences in the development of hypothalamic neuronal circuits controlling neuroendocrine events, feeding, growth, reproduction and behavior. In vitro, estradiol promotes sexually dimorphic effects on hypothalamic neuritogenesis. Previous studies have shown that developmental actions of the phytoestrogen genistein result in permanent sexually dimorphic effects in some behaviors and neural circuits in vivo. In the present study, we have explored if genistein, like estradiol, affects neuritogenesis in primary hypothalamic neurons and investigated the estrogen receptors implicated in this action. Hypothalamic neuronal cultures, obtained from male or female embryonic day 14 (E14) CD1 mice, were treated with genistein (0.1 µM, 0.5 µM or 1 µM) or vehicle. Under basal conditions, female neurons had longer primary neurites, higher number of secondary neurites and higher neuritic arborization compared to male neurons. The treatment with genistein increased neuritic arborization and the number of primary neurites and decreased the number of secondary neurites in female neurons, but not in male neurons. In contrast, genistein resulted in a significant increase in primary neuritic length in male neurons, but not in female neurons. The use of selective estrogen receptor antagonists suggests that estrogen receptor α, estrogen receptor β and G-protein-coupled estrogen receptors are involved in the neuritogenic action of genistein. In summary, these findings indicate that genistein exerts sexually dimorphic actions on the development of hypothalamic neurons, altering the normal pattern of sex differences in neuritogenesis.
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Zhou L, Xiao X, Zhang Q, Zheng J, Li M, Yu M, Wang X, Deng M, Zhai X, Li R, Liu J. Dietary Genistein Could Modulate Hypothalamic Circadian Entrainment, Reduce Body Weight, and Improve Glucose and Lipid Metabolism in Female Mice. Int J Endocrinol 2019; 2019:2163838. [PMID: 31139215 PMCID: PMC6500629 DOI: 10.1155/2019/2163838] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/28/2019] [Accepted: 04/03/2019] [Indexed: 12/13/2022] Open
Abstract
Genistein has beneficial effects on metabolic disorders. However, the specific mechanism is not clearly understood. In light of the significant role of the hypothalamus in energy and metabolic homeostasis, this study was designed to explore whether dietary genistein intake could mitigate the harmful effects of a high-fat diet on glucose and lipid metabolism and whether any alterations caused by dietary genistein were associated with hypothalamic gene expression profiles. C57BL/6 female mice were fed a high-fat diet without genistein (HF), a high-fat diet with genistein (HFG), or a normal control diet (CON) for 8 weeks. Body weight and energy intake were assessed. At the end of the study, glucose tolerance and serum levels of insulin and lipids were analyzed. Hypothalamic tissue was collected for whole transcriptome sequencing and reverse transcription quantitative PCR (RT-qPCR) validation. Energy intake and body weight were significantly reduced in the mice of the HFG group compared with those of the HF group. Mice fed the HFG diet had improved glucose tolerance and decreased serum triacylglycerol, free fatty acids, and low-density lipoprotein cholesterol compared with those fed the HF diet. The HFG diet also modulated gene expression in the hypothalamus; the most abundant genes were enriched in the circadian entrainment pathway. Dietary genistein intake could reduce body weight, improve glucose and lipid metabolism, and regulate hypothalamic circadian entrainment. The ability of genistein intake to influence regulation of the hypothalamic circadian rhythm is important since this could provide a novel target for the treatment of obesity and diabetes.
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Affiliation(s)
- Liyuan Zhou
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinhua Xiao
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Qian Zhang
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Jia Zheng
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Ming Li
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Miao Yu
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaojing Wang
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Mingqun Deng
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao Zhai
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Rongrong Li
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Jieying Liu
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
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Christante CM, Pinto-Fochi ME, Negrin AC, Taboga SR, Góes RM. Effects of gestational exposure to di-n-butyl phthalate and mineral oil on testis development of the Mongolian gerbil. Reprod Fertil Dev 2018; 30:1604-1615. [DOI: 10.1071/rd17482] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 05/01/2018] [Indexed: 11/23/2022] Open
Abstract
Phthalate esters are endocrine disrupters that can affect the development of the testis in a species-specific manner. However, their interference in the male gonads of the Mongolian gerbil is unknown. The aim of the present study was to evaluate whether gestational exposure to di-n-butyl phthalate (DBP) interferes with the development of the gerbil testis during the first six weeks of life. Males were evaluated at 1, 7, 14, 28, 35 and 42 days of age in an untreated (control) group or groups exposed from 8 to 23 days gestation to DBP (100 mg kg−1 day−1 in mineral oil) or vehicle by maternal gavage. DBP exposure impaired cell proliferation within the seminiferous cords at birth, but increased proliferation at the end of the first week, when higher testosterone concentrations were observed. The vehicle (mineral oil) reduced the total number of gonocytes and attenuated the decrease in testosterone concentrations at 7 days. The vehicle also altered gonocyte relocation at 14 days and increased oestrogen concentrations at 28 days by approximately 112%. In summary, both DBP and oil interfered in gonadal development and testosterone plasma concentrations in the first week of postnatal life. However, the changes observed at the beginning of puberty were not seen after exposure to DBP, indicating a more harmful effect of mineral oil in this period.
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20
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Ponti G, Farinetti A, Marraudino M, Panzica G, Gotti S. Sex Steroids and Adult Neurogenesis in the Ventricular-Subventricular Zone. Front Endocrinol (Lausanne) 2018; 9:156. [PMID: 29686651 PMCID: PMC5900029 DOI: 10.3389/fendo.2018.00156] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Accepted: 03/22/2018] [Indexed: 12/28/2022] Open
Abstract
The forebrain ventricular-subventricular zone (V-SVZ) continuously generates new neurons throughout life. Neural stem cells (type B1 cells) along the lateral ventricle become activated, self-renew, and give rise to proliferating precursors which progress along the neurogenic lineage from intermediate progenitors (type C cells) to neuroblasts (type A cells). Neuroblasts proliferate and migrate into the olfactory bulb and differentiate into different interneuronal types. Multiple factors regulate each step of this process. Newly generated olfactory bulb interneurons are an important relay station in the olfactory circuits, controlling social recognition, reproductive behavior, and parental care. Those behaviors are strongly sexually dimorphic and changes throughout life from puberty through aging and in the reproductive age during estrous cycle and gestation. Despite the key role of sex hormones in regulating those behaviors, their contribution in modulating adult neurogenesis in V-SVZ is underestimated. Here, we compare the literature highlighting the sexual dimorphism and the differences across the physiological phases of the animal for the different cell types and steps through the neurogenic lineage.
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Affiliation(s)
- Giovanna Ponti
- Department of Veterinary Sciences, University of Turin, Grugliasco,Turin, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy
- *Correspondence: Giovanna Ponti,
| | - Alice Farinetti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, University of Turin, Turin, Italy
| | - Marilena Marraudino
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, University of Turin, Turin, Italy
| | - GianCarlo Panzica
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, University of Turin, Turin, Italy
| | - Stefano Gotti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, University of Turin, Turin, Italy
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Jussara ( Euterpe edulis Mart.) supplementation during pregnancy and lactation modulates UCP-1 and inflammation biomarkers induced by trans-fatty acids in the brown adipose tissue of offspring. CLINICAL NUTRITION EXPERIMENTAL 2017. [DOI: 10.1016/j.yclnex.2016.12.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ponti G, Rodriguez-Gomez A, Farinetti A, Marraudino M, Filice F, Foglio B, Sciacca G, Panzica GC, Gotti S. Early postnatal genistein administration permanently affects nitrergic and vasopressinergic systems in a sex-specific way. Neuroscience 2017; 346:203-215. [PMID: 28131623 DOI: 10.1016/j.neuroscience.2017.01.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 01/09/2017] [Accepted: 01/12/2017] [Indexed: 12/01/2022]
Abstract
Genistein (GEN) is a natural xenoestrogen (isoflavonoid) that may interfere with the development of estrogen-sensitive neural circuits. Due to the large and increasing use of soy-based formulas for babies (characterized by a high content of GEN), there are some concerns that this could result in an impairment of some estrogen-sensitive neural circuits and behaviors. In a previous study, we demonstrated that its oral administration to female mice during late pregnancy and early lactation induced a significant decrease of nitric oxide synthase-positive cells in the amygdala of their male offspring. In the present study, we have used a different experimental protocol mimicking, in mice, the direct precocious exposure to GEN. Mice pups of both sexes were fed either with oil, estradiol or GEN from birth to postnatal day 8. Nitric oxide synthase and vasopressin neural systems were analyzed in adult mice. Interestingly, we observed that GEN effect was time specific (when compared to our previous study), sex specific, and not always comparable to the effects of estradiol. This last observation suggests that GEN may act through different intracellular pathways. Present results indicate that the effect of natural xenoestrogens on the development of the brain may be highly variable: a plethora of neuronal circuits may be affected depending on sex, time of exposure, intracellular pathway involved, and target cells. This raises concern on the possible long-term effects of the use of soy-based formulas for babies, which may be currently underestimated.
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Affiliation(s)
- G Ponti
- Department of Veterinary Sciences, Largo Braccini 2, 10095 Grugliasco (TO), University of Torino, Torino, Italy; Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy.
| | - A Rodriguez-Gomez
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy; Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
| | - A Farinetti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy; Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
| | - M Marraudino
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy; Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
| | - F Filice
- Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
| | - B Foglio
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy; Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
| | - G Sciacca
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy; Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
| | - G C Panzica
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy; Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
| | - S Gotti
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Regione Gonzole, 10 - 10043 Orbassano (TO), Torino, Italy; Laboratory of Neuroendocrinology, Department of Neuroscience, Via Cherasco 15, 10126-University of Torino, Torino, Italy
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Carter CJ, Blizard RA. Autism genes are selectively targeted by environmental pollutants including pesticides, heavy metals, bisphenol A, phthalates and many others in food, cosmetics or household products. Neurochem Int 2016; 101:S0197-0186(16)30197-8. [PMID: 27984170 DOI: 10.1016/j.neuint.2016.10.011] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 10/18/2016] [Accepted: 10/26/2016] [Indexed: 11/21/2022]
Abstract
The increasing incidence of autism suggests a major environmental influence. Epidemiology has implicated many candidates and genetics many susceptibility genes. Gene/environment interactions in autism were analysed using 206 autism susceptibility genes (ASG's) from the Autworks database to interrogate ∼1 million chemical/gene interactions in the comparative toxicogenomics database. Any bias towards ASG's was statistically determined for each chemical. Many suspect compounds identified in epidemiology, including tetrachlorodibenzodioxin, pesticides, particulate matter, benzo(a)pyrene, heavy metals, valproate, acetaminophen, SSRI's, cocaine, bisphenol A, phthalates, polyhalogenated biphenyls, flame retardants, diesel constituents, terbutaline and oxytocin, inter alia showed a significant degree of bias towards ASG's, as did relevant endogenous agents (retinoids, sex steroids, thyroxine, melatonin, folate, dopamine, serotonin). Numerous other suspected endocrine disruptors (over 100) selectively targeted ASG's including paraquat, atrazine and other pesticides not yet studied in autism and many compounds used in food, cosmetics or household products, including tretinoin, soy phytoestrogens, aspartame, titanium dioxide and sodium fluoride. Autism polymorphisms influence the sensitivity to some of these chemicals and these same genes play an important role in barrier function and control of respiratory cilia sweeping particulate matter from the airways. Pesticides, heavy metals and pollutants also disrupt barrier and/or ciliary function, which is regulated by sex steroids and by bitter/sweet taste receptors. Further epidemiological studies and neurodevelopmental and behavioural research is warranted to determine the relevance of large number of suspect candidates whose addition to the environment, household, food and cosmetics might be fuelling the autism epidemic in a gene-dependent manner.
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Affiliation(s)
- C J Carter
- PolygenicPathways, Flat 2, 40 Baldslow Road, Hastings, East Sussex, TN34 2EY, UK.
| | - R A Blizard
- Molecular Psychiatry Laboratory, Mental Health Sciences Unit, University College, London, UK
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24
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Garg S, Lule VK, Malik RK, Tomar SK. Soy Bioactive Components in Functional Perspective: A Review. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2016. [DOI: 10.1080/10942912.2015.1136936] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sheenam Garg
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Vaibhao Kisanrao Lule
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Ravinder Kumar Malik
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Sudhir Kumar Tomar
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
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25
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Crescenti A, del Bas JM, Arola-Arnal A, Oms-Oliu G, Arola L, Caimari A. Grape seed procyanidins administered at physiological doses to rats during pregnancy and lactation promote lipid oxidation and up-regulate AMPK in the muscle of male offspring in adulthood. J Nutr Biochem 2015; 26:912-20. [DOI: 10.1016/j.jnutbio.2015.03.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 03/05/2015] [Accepted: 03/12/2015] [Indexed: 12/27/2022]
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26
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Del Bas JM, Crescenti A, Arola-Arnal A, Oms-Oliu G, Arola L, Caimari A. Intake of grape procyanidins during gestation and lactation impairs reverse cholesterol transport and increases atherogenic risk indexes in adult offspring. J Nutr Biochem 2015; 26:1670-7. [PMID: 26365577 DOI: 10.1016/j.jnutbio.2015.08.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 08/07/2015] [Accepted: 08/08/2015] [Indexed: 11/16/2022]
Abstract
Cardiovascular disease (CVD) is one of the most prevalent noncommunicable diseases in humans. Different studies have identified dietary procyanidins as bioactive compounds with beneficial properties against CVD by improving lipid homeostasis, among other mechanisms. The aim of this work was to assess whether grape seed procyanidin consumption at a physiological dose during the perinatal period could influence the CVD risk of the offspring. Wistar rat dams were treated with a grape seed procyanidin extract (GSPE; 25mg/kg of body weight per day) or vehicle during gestation and lactation. The adult male offspring of GSPE-treated dams presented decreased high-density lipoprotein cholesterol (HDL-C) levels, increased total cholesterol-to-HDL-C ratios and an exacerbated fasting triglyceride-to-HDL-C ratios (atherogenic index of plasma) compared to the control group. Impaired reverse cholesterol transport (RCT) was evidenced by the accumulation of cholesterol in skeletal muscle and by decreased fecal excretion of cholesterol and bile acids, which was consistent with the observed mRNA down-regulation of the rate-limiting enzyme in the hepatic bile acid synthesis pathway Cyp7A1. Conversely, GSPE programming also resulted in up-regulated gene expression of different key components of the RCT process, such as hepatic Npc1, Abcg1, Abca1, Lxra, Srebp2, Lcat, Scarb1 and Pltp, and the repression of microRNA miR-33a expression, a key negative controller of hepatic RCT at the gene expression level. Our results show that maternal intake of grape procyanidins during the perinatal period impacts different components of the RCT process, resulting in increased CVD risk in the adult offspring.
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Affiliation(s)
- Josep Maria Del Bas
- Grup de Recerca en Nutrició i Salut, Centre Tecnològic de Nutrició i Salut, TECNIO, CEICS, Reus, Spain.
| | - Anna Crescenti
- Grup de Recerca en Nutrició i Salut, Centre Tecnològic de Nutrició i Salut, TECNIO, CEICS, Reus, Spain
| | - Anna Arola-Arnal
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, Tarragona, Spain
| | - Gemma Oms-Oliu
- Department of Food Technology, University of Lleida, Lleida, Spain
| | - Lluís Arola
- Nutrigenomics Research Group, Departament de Bioquímica i Biotecnologia, Universitat Rovira i Virgili, Tarragona, Spain; Centre Tecnològic de Nutrició i Salut, TECNIO, CEICS, Reus, Spain
| | - Antoni Caimari
- Grup de Recerca en Nutrició i Salut, Centre Tecnològic de Nutrició i Salut, TECNIO, CEICS, Reus, Spain
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Sadowski RN, Wise LM, Park PY, Schantz SL, Juraska JM. Early exposure to bisphenol A alters neuron and glia number in the rat prefrontal cortex of adult males, but not females. Neuroscience 2014; 279:122-31. [PMID: 25193849 DOI: 10.1016/j.neuroscience.2014.08.038] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 07/30/2014] [Accepted: 08/25/2014] [Indexed: 11/26/2022]
Abstract
Previous work has shown that exposure to bisphenol A (BPA) during early development can alter sexual differentiation of the brain in rodents, although few studies have examined effects on areas of the brain associated with cognition. The current study examined if developmental BPA exposure alters the total number of neurons and glia in the medial prefrontal cortex (mPFC) in adulthood. Pregnant Long-Evans rats were orally exposed to 0, 4, 40, or 400-μg/kg BPA in corn oil throughout pregnancy. From postnatal days 1 to 9, pups were given daily oral doses of oil or BPA, at doses corresponding to those given during gestation. Brains were examined in adulthood, and the volume of layers 2/3 and layers 5/6 of the mPFC was parcellated. The density of neurons and glia in these layers was quantified stereologically with the optical disector, and density was multiplied by volume for each animal. Males exposed to 400-μg/kg BPA were found to have increased numbers of neurons and glia in layers 5/6. Although there were no significant effects of BPA in layers 2/3, the pattern of increased neuron number in males exposed to 400-μg/kg BPA was similar to that seen in layers 5/6. No effects of BPA were seen in females or in males exposed to the other doses of BPA. This study indicates that males are more susceptible to the long-lasting effects of BPA on anatomy of the mPFC, an area implicated in neurological disorders.
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Affiliation(s)
- R N Sadowski
- Neuroscience Program, University of Illinois at Urbana-Champaign, Champaign, IL 61820, United States
| | - L M Wise
- Department of Psychology, University of Illinois at Urbana-Champaign, Champaign, IL 61820, United States
| | - P Y Park
- Department of Psychology, University of Illinois at Urbana-Champaign, Champaign, IL 61820, United States
| | - S L Schantz
- Neuroscience Program, University of Illinois at Urbana-Champaign, Champaign, IL 61820, United States; Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Champaign, IL 61820, United States
| | - J M Juraska
- Neuroscience Program, University of Illinois at Urbana-Champaign, Champaign, IL 61820, United States; Department of Psychology, University of Illinois at Urbana-Champaign, Champaign, IL 61820, United States.
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